NAEP(2003)将数学能力划分为两个向度,一为数学能力(mathematical abilities),一为数学力(mathematical power)。 其中,数学能力(mathematical abilities)分为三种类型: (一)概念的了解(conceptual understanding) 1.
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They also follow a "power law" distribution, which means bigger avalanches happen less often than smaller avalanches, according to a strict mathematical ratio.
它们也遵循一个叫“幂次定律”的分配,意思是说根据一个严格的数学比例,大规模雪崩会比小规模的少。
But that obvious observation conceals a precise mathematical description: the link between the severity and frequency of conflicts follows a smooth curve, known as a power law.
用一个很简单的数学式,可以表示为:存活率与冲突频率间呈现平实的曲线关系,这被认为是法的力量。
We can measure CPU usage once a minute, convert the result into a power usage using a defined mathematical model, and submit the result to AMEE for a high-resolution estimate of emissions.
我们可以每一分钟对CPU使用做一次测量,然后用一个定义好的数学模型将每次的测量结果转化为一个电量使用值,并将这个结果提交给AMEE以获得一个更精确的排放量评估值。
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